11202111197 has 2 divisors, whose sum is σ = 11202111198. Its totient is φ = 11202111196.

The previous prime is 11202111139. The next prime is 11202111229. The reversal of 11202111197 is 79111120211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6410564356 + 4791546841 = 80066^2 + 69221^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202111197 - 2²⁸ = 10933675741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202111497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601055598 + 5601055599.

It is an arithmetic number, because the mean of its divisors is an integer number (5601055599).

Almost surely, 2^11202111197 is an apocalyptic number.

It is an amenable number.

11202111197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202111197 is an equidigital number, since it uses as much as digits as its factorization.

11202111197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 11202111197 in words is "eleven billion, two hundred two million, one hundred eleven thousand, one hundred ninety-seven".